Describe the Core Functions of public health as defined by the Institute of Medicine (IOM). Select one of the key federal health agencies under the Department of Health and Human Services. Describe the role of the agency and what particular function it serves in carrying out the overall core functions of public healthDescribe the Core Functions of public health as defined by the Institute of Medicine (IOM). Select one of the key federal health agencies under the Department of Health and Human Services. Describe the role of the agency and what particular function it serves in carrying out the overall core functions of public health